1 /*        $NetBSD: iomdreg.h,v 1.5 2022/04/16 17:34:34 andvar Exp $   */
2 
3 /*
4  * Copyright (c) 1994-1997 Mark Brinicombe.
5  * Copyright (c) 1994 Brini.
6  * All rights reserved.
7  *
8  * This code is derived from software written for Brini by Mark Brinicombe
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by Mark Brinicombe.
21  * 4. The name of the company nor the name of the author may be used to
22  *    endorse or promote products derived from this software without specific
23  *    prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
26  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  * RiscBSD kernel project
38  *
39  * iomd.h
40  *
41  * IOMD registers
42  *
43  * Created      : 18/09/94
44  *
45  * Based on kate/display/iomd.h
46  */
47 
48 #define IOMD_HW_BASE          0x03200000
49 
50 #define IOMD_BASE   0xf6000000
51 
52 #define IOMD_IOCR   0x00000000
53 #define IOMD_KBDDAT 0x00000001
54 #define IOMD_KBDCR  0x00000002
55 #define IOMD_IOLINES          0x00000003          /* ARM7500FE */
56 
57 #define IOMD_IRQSTA 0x00000004
58 #define IOMD_IRQRQA 0x00000005
59 #define IOMD_IRQMSKA          0x00000006
60 #define IOMD_SUSMODE          0x00000007          /* ARM7500 */
61 
62 #define IOMD_IRQSTB 0x00000008
63 #define IOMD_IRQRQB 0x00000009
64 #define IOMD_IRQMSKB          0x0000000a
65 #define IOMD_STOPMODE         0x0000000b          /* ARM7500 */
66 
67 #define IOMD_FIQST  0x0000000c
68 #define IOMD_FIQRQ  0x0000000d
69 #define IOMD_FIQMSK 0x0000000e
70 #define IOMD_CLKCTL 0x0000000f          /* ARM7500 */
71 
72 #define IOMD_T0LOW  0x00000010
73 #define IOMD_T0HIGH 0x00000011
74 #define IOMD_T0GO   0x00000012
75 #define IOMD_T0LATCH          0x00000013
76 
77 #define IOMD_T1LOW  0x00000014
78 #define IOMD_T1HIGH 0x00000015
79 #define IOMD_T1GO   0x00000016
80 #define IOMD_T1LATCH          0x00000017
81 
82 /*
83  * For ARM7500, it's not really a IOMD device.
84  */
85 
86 #define IOMD_IRQSTC 0x00000018          /* ARM7500 */
87 #define IOMD_IRQRQC 0x00000019          /* ARM7500 */
88 #define IOMD_IRQMSKC          0x0000001a          /* ARM7500 */
89 #define IOMD_VIDMUX 0x0000001b          /* ARM7500 */
90 
91 #define IOMD_IRQSTD 0x0000001c          /* ARM7500 */
92 #define IOMD_IRQRQD 0x0000001d          /* ARM7500 */
93 #define IOMD_IRQMSKD          0x0000001e          /* ARM7500 */
94 
95 #define IOMD_ROMCR0 0x00000020
96 #define IOMD_ROMCR1 0x00000021
97 #define IOMD_DRAMCR 0x00000022          /* !ARM7500 */
98 #define IOMD_VREFCR 0x00000023          /* !ARM7500 */
99 #define IOMD_REFCR  0x00000023          /* ARM7500 */
100 
101 #define IOMD_FSIZE  0x00000024
102 #define IOMD_ID0    0x00000025
103 #define IOMD_ID1    0x00000026
104 #define IOMD_VERSION          0x00000027
105 
106 #define IOMD_MOUSEX 0x00000028
107 #define IOMD_MOUSEY 0x00000029
108 #define IOMD_MSDATA 0x0000002a          /* ARM7500 */
109 #define IOMD_MSCR   0x0000002b          /* ARM7500 */
110 
111 #define IOMD_DMATCR 0x00000030
112 #define IOMD_IOTCR  0x00000031
113 #define IOMD_ECTCR  0x00000032
114 #define IOMD_DMAEXT 0x00000033          /* !ARM7500 */
115 #define IOMD_ASTCR  0x00000033          /* ARM7500 */
116 
117 #define IOMD_DRAMWID          0x00000034          /* ARM7500 */
118 #define IOMD_SELFREF          0x00000035          /* ARM7500 */
119 
120 #define IOMD_ATODICR          0x00000038          /* ARM7500 */
121 #define IOMD_ATODSR 0x00000039          /* ARM7500 */
122 #define IOMD_ATODCR 0x0000003a          /* ARM7500 */
123 #define IOMD_ATODCNT1         0x0000003b          /* ARM7500 */
124 #define IOMD_ATODCNT2         0x0000003c          /* ARM7500 */
125 #define IOMD_ATODCNT3         0x0000003d          /* ARM7500 */
126 #define IOMD_ATODCNT4         0x0000003e          /* ARM7500 */
127 
128 #define IOMD_DMA_SIZE                   24
129 #define IOMD_DMA_SPACING      32
130 /* Each DMA channel has the same set of registers. */
131 #define IOMD_DMAEND_STOP      0x80000000
132 #define IOMD_DMAEND_LAST      0x40000000
133 #define IOMD_DMAEND_OFFSET    0x00000fff
134 #define IOMD_DMACR_CLEAR      0x80
135 #define IOMD_DMACR_DIR                  0x40
136 #define IOMD_DMACR_ENABLE     0x20
137 #define IOMD_DMACR_BYTE                 0x01
138 #define IOMD_DMACR_HALFWORD   0x02
139 #define IOMD_DMACR_WORD                 0x04
140 #define IOMD_DMACR_QUADWORD   0x10
141 #define IOMD_DMAST_OVERRUN    0x04
142 #define IOMD_DMAST_INT                  0x02
143 #define IOMD_DMAST_BANKB                0x01
144 #define IOMD_DMAST_BANKA                0x00
145 
146 #define IOMD_IO0CURA          0x00000040
147 #define IOMD_IO0ENDA          0x00000041
148 #define IOMD_IO0CURB          0x00000042
149 #define IOMD_IO0ENDB          0x00000043
150 #define IOMD_IO0CR  0x00000044
151 #define IOMD_IO0ST  0x00000045
152 #define IOMD_IO1CURA          0x00000048
153 #define IOMD_IO1ENDA          0x00000049
154 #define IOMD_IO1CURB          0x0000004a
155 #define IOMD_IO1ENDB          0x0000004b
156 #define IOMD_IO1CR  0x0000004c
157 #define IOMD_IO1ST  0x0000004d
158 #define IOMD_IO2CURA          0x00000050
159 #define IOMD_IO2ENDA          0x00000051
160 #define IOMD_IO2CURB          0x00000052
161 #define IOMD_IO2ENDB          0x00000053
162 #define IOMD_IO2CR  0x00000054
163 #define IOMD_IO2ST  0x00000055
164 #define IOMD_IO3CURA          0x00000058
165 #define IOMD_IO3ENDA          0x00000059
166 #define IOMD_IO3CURB          0x0000005a
167 #define IOMD_IO3ENDB          0x0000005b
168 #define IOMD_IO3CR  0x0000005c
169 #define IOMD_IO3ST  0x0000005d
170 
171 #define IOMD_SD0CURA          0x00000060
172 #define IOMD_SD0ENDA          0x00000061
173 #define IOMD_SD0CURB          0x00000062
174 #define IOMD_SD0ENDB          0x00000063
175 #define IOMD_SD0CR  0x00000064
176 #define IOMD_SD0ST  0x00000065
177 
178 #define IOMD_SD1CURA          0x00000068
179 #define IOMD_SD1ENDA          0x00000069
180 #define IOMD_SD1CURB          0x0000006a
181 #define IOMD_SD1ENDB          0x0000006b
182 #define IOMD_SD1CR  0x0000006c
183 #define IOMD_SD1ST  0x0000006d
184 
185 #define IOMD_CURSCUR          0x00000070
186 #define IOMD_CURSINIT         0x00000071
187 #define IOMD_VIDCURB          0x00000072          /* ARM7500 */
188 
189 #define IOMD_VIDCUR 0x00000074
190 #define IOMD_VIDEND 0x00000075
191 #define IOMD_VIDSTART         0x00000076
192 #define IOMD_VIDINIT          0x00000077
193 #define IOMD_VIDCR  0x00000078
194 
195 #define IOMD_VIDINITB         0x0000007a          /* ARM7500 */
196 
197 #define IOMD_DMAST  0x0000007c
198 #define IOMD_DMARQ  0x0000007d
199 #define IOMD_DMAMSK 0x0000007e
200 
201 #define IOMD_SIZE   0x100     /* XXX - should be words ? */
202 
203 /*
204  * Ok these mouse buttons are not strictly part of the iomd but
205  * this register is required if the IOMD supports a quadrature mouse
206  */
207 
208 #define IO_HW_MOUSE_BUTTONS   0x03210000
209 #define IO_MOUSE_BUTTONS      0xf6010000
210 
211 #define MOUSE_BUTTON_RIGHT  0x10
212 #define MOUSE_BUTTON_MIDDLE 0x20
213 #define MOUSE_BUTTON_LEFT   0x40
214 
215 #define FREQCON     (iomd_base + 0x40000)
216 
217 #define RPC600_IOMD_ID                  0xd4e7
218 #define ARM7500_IOC_ID                  0x5b98
219 #define ARM7500FE_IOC_ID      0xaa7c
220 
221 #define IOMD_ADDRESS(reg)     (iomd_base + (reg << 2))
222 #define IOMD_WRITE_BYTE(reg, val)       \
223           (*((volatile unsigned char *)(IOMD_ADDRESS(reg))) = (val))
224 #define IOMD_WRITE_WORD(reg, val)       \
225           (*((volatile unsigned int *)(IOMD_ADDRESS(reg))) = (val))
226 #define IOMD_READ_BYTE(reg)             \
227           (*((volatile unsigned char *)(IOMD_ADDRESS(reg))))
228 #define IOMD_READ_WORD(reg)             \
229           (*((volatile unsigned int *)(IOMD_ADDRESS(reg))))
230 
231 #define IOMD_ID (IOMD_READ_BYTE(IOMD_ID0) | (IOMD_READ_BYTE(IOMD_ID1) << 8))
232 
233 /* End of iomdreg.h */
234